class A{
    static int a;

}
public class Test {
    static boolean flg;
    public void func(){

    }
    public static void main(String[] args) {
        System.out.println(flg);
        System.out.println(Test.flg);
        System.out.println(A.a);
        Test test = new Test();
        test.func();
    }
}